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Aksel Olsen
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Alpine Garden society
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Arthur Hellyes
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Cox
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Dansk Dendrologisk Forening
Dansk Pæon Selskab
Dansk Primula Klub
David Farr, H. Bartolome Esteban, Mary E. Palm
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Den Alpine Have - Danmark, The alpine garden society
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Deutsche Rhododendron-Gesellschaft
Diana Grenfell, Michael Shadrack
Dorothy J. Callaway
Dorothy Mierow, Shrestha Tirtha Bahadur
Douglas Bartrum
DRG
E.H. Wilson
E.H.M Cox
E.H.M Cox, Peter A. Cox
Edited by James L. Luteyn
Editor: Meldon Kraxberger
Erhard Moser
Evald Burgaard
F. Doleshy
Fang Wenpei
Feng Guomei
Feng Guomei, Yang Zenghong
Feng Kuo-Mei
Flemmming Hansen
Forskellige
Francoise Pommeret, Ellen Buch-Hansen
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Fred C. Galle
Frederick Street
Frederick W Case, Jr.,Roberta B. Case
Fritz Köhlein
G. Argent, A. Lamb,A. Phillipps, S. Collenette
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Garmin
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Georg Argent,John Bond,David Chamberlain, Peter Cox, Allan Hardy
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George Argent, Marjory McFarlane
George Sfikas
Gerd Krüssman
Glyn Church, Graham Smith
Guan Kaiyun, Zhou Zhekun, Sun Hang, Fei Yong, Sun Weibang
Gunnar Gilberg
Guy Gusman, Liliane Gusman
H. Edward Reiley
H. H. Davidian
H. P. Sleumer
H. Sleumer
H. T. Hartmann
H. Tod
Hälsingborgs Trädgårdsförening
Harold E. Greer
Harold R. Fletcher
Havebrugshistorisk Selskab
Henry Kock
Homer A. Salley
Homer E. Salley
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Huang Zhaoxian
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I.F. La Croix
Irina Goldberg
Ito Ihei
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J.B. Stevenson
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Johannes Hedegaard
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Jørgen Halse, Jan Brodersen
Jørn Dannesboe
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K.C. Pradhan
Katsuhiko Mizuno
Kenneth N.E. Cox
Kenneth N.E. Cox, Raoul Curtis-Machin
Kenzo Okawa
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Kirsten Lindqvist
Kirstin Nørgaard Pedersen
Kiyoshi Seike, Masanobu Kudo, David H.Engel
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Klaus Hansen
Knud
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L. Clarence Towe
Lena Månsson, Bertil K. Johanson
Lesley Young
Lis Langschwager
Lisa Winnerlid
Lothar Heft
M. N. Philipson, W.R. Philipson
Magnus Gammelgård
Malcolm McGregor
Marianna Kneller
McQuire, Robinson
Mendocino Coast film, Botanical Garden
Mervyn Kessell
Michael Boulter
Michelle Sitzer, Chuan Cao, Benjamin Hall
Ministry of Forrest department of Medical Plants
N.K. Gould, P.M. Synge editors
New Zealand Rhododendron Association Inc.
Niels Jensen
Niels Skjøldberg
O. Burchards
OASE
Ole Jonny Larsen
Ole Sønderhousen
Oleg Polunin, Adam Stainton
Olympus
P. Chr. Nielsen
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P.M. Synge, editor
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Patricia Jonas
Paula Kohlhaupt
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Peter A. Cox, Kenneth N.E. Cox
Peter A. Cox, Peter Hutchison
Peter Cox, Kenneth Cox
Philip A.Livingston, Franklin .H.West
Phillip Cribb
R. Farrer
Rajesh Verma
Ray Delmond
RCMG
Rebecca Pradhan
Rhododendron Group, Royal Horticultural Society
Rhododendron Species Foundation
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Rhododendron, Camellia & Magnolia Group
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Rüdiger Scheid, Lene Scheid
Sasuke Nakao & Keiji Nishioka
Seamus O'Brian
Sonja Nelson
Sonja Nelson, ARS Portland Chapter
Species Foundation
Stan Armington
Steffen Munck-Hansen
Susanna Widlundh
Svend Aage Askjær
Svenska Rhodosällskapet
Sydsvenska Rhododendron Sällskapet
T. Nitzelius
T. Nitzelius, G. Nitzelius
Ted van Veen
Th. Foersom, Finn O.Kapel, Ole Svarre
The American Phytopathological Society
The American Rhododendron Society
The Pacific Rhododendron Society
The Scottish Rhododendron Society
Udai C. Pradhan, Satyam C. Pradhan
Udai C. Pradhan, Sonam T. Lachungpa
Udai Pradhan
Ukendt
Ukendt ( står på kinesisk)
ukendte
Val Bourne
W.R Phillipson, M.N Philipson, W.S. Judd & K.A. Kron
Walter Schmalscheidt
Wang Bingning
Wu Quanan, chiefeditor
Wu Zhengyi
Xu Zhihui
Xu Zhihui, chiefeditor
Yoko Kawaguchi
A77 – How northern hemisphere geologic history and paleoclimate shaped...